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CVE-2023-7187— Totolink N350RT HTTP POST Request stack-based overflow

Quick assessment

Affected
Totolink N350RT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 Totolink N350RT 9.3.5u.6139_B20201216版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi?action=login&flag=ie8的会导致基于堆栈的缓冲区溢出。

CVSS 5.5 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-7187

Vulnerability Information
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Vulnerability Title
Totolink N350RT HTTP POST Request stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login&flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Totolink N350RT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 Totolink N350RT 9.3.5u.6139_B20201216版本存在安全漏洞，该漏洞源于文件/cgi-bin/cstecgi.cgi?action=login&flag=ie8的会导致基于堆栈的缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Totolink N350RT 9.3.5u.6139_B20201216 -

II. Public POCs for CVE-2023-7187

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III. Intelligence Information for CVE-2023-7187

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Vendor Advisories for CVE-2023-7187 (2)

Other References for CVE-2023-7187 (1)

IV. Related Vulnerabilities

Same product: N350RT
Same vendor: Totolink
Same weakness: CWE-121

V. Comments for CVE-2023-7187

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